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Accepting request 1095530 from home:ohollmann:branches:network
- Add option to change evaluation logic of multiple link-watchers (jsc@PED2209) Add 0001-teamd-Add-option-to-change-evaluation-logic-of-multi.patch OBS-URL: https://build.opensuse.org/request/show/1095530 OBS-URL: https://build.opensuse.org/package/show/network/libteam?expand=0&rev=23
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217
0001-teamd-Add-option-to-change-evaluation-logic-of-multi.patch
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217
0001-teamd-Add-option-to-change-evaluation-logic-of-multi.patch
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From 7cb5de8b01be132bd4150eff460bfd83296414b6 Mon Sep 17 00:00:00 2001
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From: Otto Hollmann <otto.hollmann@suse.com>
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Date: Tue, 2 May 2023 17:36:15 +0200
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Subject: [PATCH] teamd: Add option to change evaluation logic of multiple
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link-watchers
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Now, if multiple link watchers are used, link is up if any of the
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link-watchers reports the link up.
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Introduce new option "link_watch_policy" to change this behaviour.
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Possible values are "any" and "all". If nothing specified, default value
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"any" will be used and there will be no change in current behaviour. If
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value "all" will be set, link will be up only if ALL the link-watchers
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report the link up.
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Signed-off-by: Otto Hollmann <otto.hollmann@suse.com>
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Signed-off-by: Jiri Pirko <jiri@nvidia.com>
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---
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man/teamd.conf.5 | 47 +++++++++++++++++++
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.../activebackup_multi_lw_2.conf | 25 ++++++++++
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teamd/teamd.c | 26 ++++++++++
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teamd/teamd.h | 1 +
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teamd/teamd_link_watch.c | 27 +++++++++--
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5 files changed, 121 insertions(+), 5 deletions(-)
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create mode 100644 teamd/example_configs/activebackup_multi_lw_2.conf
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diff --git a/man/teamd.conf.5 b/man/teamd.conf.5
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index dc913cd..8c65c33 100644
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--- a/man/teamd.conf.5
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+++ b/man/teamd.conf.5
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@@ -407,6 +407,23 @@ Default:
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.TP
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.BR "link_watch.target_host "| " ports.PORTIFNAME.link_watch.target_host " (hostname)
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Hostname to be converted to IPv6 address which will be filled into NS packet as target address.
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+.TP
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+.BR "link_watch_policy " (string)
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+Name of link-watchers evaluation policy. Available options are following:
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+.RS 7
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+.PP
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+.BR "any "\(em
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+Link is up if
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+.BR any
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+of the link-watchers reports the link up.
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+.PP
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+.BR "all "\(em
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+Link is up if
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+.BR all
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+of the link-watchers reports the link up.
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+.PP
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+Default:
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+.BR "any"
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.SH EXAMPLES
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.PP
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.nf
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@@ -518,6 +535,36 @@ This configuration uses ARP ping link watch.
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Similar to the previous one, only this time two link watchers are used at the same time.
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.PP
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.nf
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+{
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+ "device": "team0",
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+ "runner": {"name": "activebackup"},
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+ "link_watch_policy": "all",
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+ "link_watch": [
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+ {
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+ "name": "arp_ping",
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+ "interval": 100,
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+ "missed_max": 30,
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+ "target_host": "192.168.23.1"
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+ },
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+ {
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+ "name": "ethtool"
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+ }
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+ ],
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+ "ports": {
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+ "eth1": {
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+ "prio": -10,
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+ "sticky": true
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+ },
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+ "eth2": {
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+ "prio": 100
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+ }
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+ }
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+}
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+.fi
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+.PP
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+Two link-watchers are used at the same time. Link is up only if all configured link-watchers report link is up.
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+.PP
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+.nf
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{
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"device": "team0",
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"runner": {
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diff --git a/teamd/example_configs/activebackup_multi_lw_2.conf b/teamd/example_configs/activebackup_multi_lw_2.conf
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new file mode 100644
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index 0000000..a9073d7
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--- /dev/null
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+++ b/teamd/example_configs/activebackup_multi_lw_2.conf
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@@ -0,0 +1,25 @@
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+{
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+ "device": "team0",
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+ "runner": {"name": "activebackup"},
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+ "link_watch_policy": "all",
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+ "link_watch": [
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+ {
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+ "name": "arp_ping",
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+ "interval": 100,
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+ "missed_max": 30,
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+ "target_host": "192.168.23.1"
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+ },
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+ {
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+ "name": "ethtool"
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+ }
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+ ],
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+ "ports": {
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+ "eth1": {
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+ "prio": -10,
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+ "sticky": true
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+ },
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+ "eth2": {
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+ "prio": 100
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+ }
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+ }
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+}
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\ No newline at end of file
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diff --git a/teamd/teamd.c b/teamd/teamd.c
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index a89b702..f351599 100644
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--- a/teamd/teamd.c
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+++ b/teamd/teamd.c
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@@ -1805,6 +1805,28 @@ static int teamd_drop_privileges()
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#endif
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+static int teamd_get_link_watch_policy(struct teamd_context *ctx)
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+{
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+ int err;
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+ const char *link_watch_policy;
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+
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+ err = teamd_config_string_get(ctx, &link_watch_policy, "$.link_watch_policy");
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+ if (!err) {
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+ if (!strcmp(link_watch_policy, "all")) {
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+ ctx->evaluate_all_watchers = true;
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+ } else if (!strcmp(link_watch_policy, "any")) {
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+ ctx->evaluate_all_watchers = false;
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+ } else {
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+ teamd_log_err("Unrecognized value for link_watch_policy.");
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+ teamd_log_err("Only \"any\" or \"all\" are allowed but \"%s\" found in config.", link_watch_policy);
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+ return -EINVAL;
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+ }
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+ } else {
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+ teamd_log_dbg(ctx, "No link_watch_policy specified in config, using default value \"any\".");
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+ }
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+ return 0;
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+}
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+
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int main(int argc, char **argv)
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{
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enum teamd_exit_code ret = TEAMD_EXIT_FAILURE;
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@@ -1863,6 +1885,10 @@ int main(int argc, char **argv)
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if (err)
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goto config_free;
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+ err = teamd_get_link_watch_policy(ctx);
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+ if (err)
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+ goto config_free;
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+
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err = teamd_set_default_pid_file(ctx);
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if (err)
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goto config_free;
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diff --git a/teamd/teamd.h b/teamd/teamd.h
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index 541d2a7..bc2ce36 100644
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--- a/teamd/teamd.h
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+++ b/teamd/teamd.h
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@@ -105,6 +105,7 @@ struct teamd_context {
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bool no_quit_destroy;
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bool init_no_ports;
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bool pre_add_ports;
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+ bool evaluate_all_watchers;
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char * config_file;
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char * config_text;
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json_t * config_json;
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diff --git a/teamd/teamd_link_watch.c b/teamd/teamd_link_watch.c
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index cae6549..11f4697 100644
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--- a/teamd/teamd_link_watch.c
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+++ b/teamd/teamd_link_watch.c
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@@ -133,11 +133,28 @@ bool teamd_link_watch_port_up(struct teamd_context *ctx,
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if (!tdport)
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return true;
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link = true;
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- teamd_for_each_port_priv_by_creator(common_ppriv, tdport,
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- LW_PORT_PRIV_CREATOR_PRIV) {
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- link = common_ppriv->link_up;
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- if (link)
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- return link;
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+ if (ctx->evaluate_all_watchers) {
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+ /*
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+ * If multiple link-watchers used at the same time,
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+ * link is up if ALL of the link-watchers reports the link up.
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+ */
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+ teamd_for_each_port_priv_by_creator(common_ppriv, tdport,
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+ LW_PORT_PRIV_CREATOR_PRIV) {
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+ link = common_ppriv->link_up;
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+ if (!link)
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+ return link;
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+ }
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+ } else {
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+ /*
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+ * If multiple link-watchers used at the same time,
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+ * link is up if ANY of the link-watchers reports the link up.
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+ */
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+ teamd_for_each_port_priv_by_creator(common_ppriv, tdport,
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+ LW_PORT_PRIV_CREATOR_PRIV) {
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+ link = common_ppriv->link_up;
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+ if (link)
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+ return link;
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+ }
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}
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return link;
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}
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Mon Jun 26 13:28:06 UTC 2023 - Otto Hollmann <otto.hollmann@suse.com>
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- Add option to change evaluation logic of multiple link-watchers (jsc@PED2209)
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Add 0001-teamd-Add-option-to-change-evaluation-logic-of-multi.patch
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-------------------------------------------------------------------
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Fri Nov 5 17:14:17 UTC 2021 - Otto Hollmann <otto.hollmann@suse.com>
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10
libteam.spec
10
libteam.spec
@ -1,7 +1,7 @@
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#
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# spec file for package libteam
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#
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# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
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# Copyright (c) 2023 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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@ -12,7 +12,7 @@
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via http://bugs.opensuse.org/
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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@ -23,7 +23,7 @@ Name: libteam
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Version: 1.31
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Release: 0
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Summary: Utilities for controlling 802.1AX team network device
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License: LGPL-2.1+
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License: LGPL-2.1-or-later
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Group: System/Kernel
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URL: http://libteam.org/
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@ -33,8 +33,10 @@ Patch1: check_if_psr_ops_were_initialized.patch
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Patch2: start_teamd_from_usr_sbin.patch
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Patch3: ignore_ebusy_for_team_hwaddr_set.patch
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Patch4: 0001-allow-send_interface-dbus.patch
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Patch5: harden_teamd@.service.patch
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Patch5: harden_teamd@.service.patch
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Patch6: better_handle_failures_to_chown.patch
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# PATCH-FIX-UPSTREAM jsc#PED-2209 Add option to change link-watchers logic
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Patch7: 0001-teamd-Add-option-to-change-evaluation-logic-of-multi.patch
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BuildRequires: doxygen
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BuildRequires: libcap-devel
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BuildRequires: libtool
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